[ARM] Fix a pile of broken watchdog drivers

These patches from Adrian fix:
- ixp4xx_wdt: 20d35f3e50ea7e573f9568b9fce4e98523aaee5d
  CC      drivers/watchdog/ixp4xx_wdt.o
ixp4xx_wdt.c:32: error: expected '=', ',', ';', 'asm' or '__attribute__'
ixp4xx_wdt.c: In function 'wdt_enable':
ixp4xx_wdt.c:41: error: 'wdt_lock' undeclared (first use in this
ixp4xx_wdt.c:41: error: (Each undeclared identifier is reported only
ixp4xx_wdt.c:41: error: for each function it appears in.)
ixp4xx_wdt.c: In function 'wdt_disable':
ixp4xx_wdt.c:52: error: 'wdt_lock' undeclared (first use in this
ixp4xx_wdt.c: In function 'ixp4xx_wdt_init':
ixp4xx_wdt.c:186: error: 'wdt_lock' undeclared (first use in this
make[3]: *** [drivers/watchdog/ixp4xx_wdt.o] Error 1

- at91rm9200_wdt: 2760600da2a13d5a2a335ba012d0f3ad5df4c098
  CC      drivers/watchdog/at91rm9200_wdt.o
at91rm9200_wdt.c:188: error: 'at91_wdt_ioctl' undeclared here (not in a
make[3]: *** [drivers/watchdog/at91rm9200_wdt.o] Error 1

- wdt285: d0e58eed05f9baf77c4f75e794ae245f6dae240a
  CC [M]  drivers/watchdog/wdt285.o
wdt285.c: In function 'footbridge_watchdog_init':
wdt285.c:211: error: 'KERN_WARN' undeclared (first use in this function)
wdt285.c:211: error: (Each undeclared identifier is reported only once
wdt285.c:211: error: for each function it appears in.)
wdt285.c:212: error: expected ')' before string constant
make[3]: *** [drivers/watchdog/wdt285.o] Error 1

And this patch from rmk:
- s3c2410_wdt: 41dc8b72e37c514f7332cbc3f3dd864910c2a1fa
  CC      drivers/watchdog/s3c2410_wdt.o
s3c2410_wdt.c: In function `s3c2410wdt_start':
s3c2410_wdt.c:161: warning: `return' with a value, in function returning void

Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index bacd867..d061f0a 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -128,7 +128,7 @@
 /*
  * Handle commands from user-space.
  */
-static long at91_wdt_ioct(struct file *file,
+static long at91_wdt_ioctl(struct file *file,
 					unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
diff --git a/drivers/watchdog/ixp4xx_wdt.c b/drivers/watchdog/ixp4xx_wdt.c
index 41264a5..8302ef0 100644
--- a/drivers/watchdog/ixp4xx_wdt.c
+++ b/drivers/watchdog/ixp4xx_wdt.c
@@ -29,7 +29,7 @@
 static int heartbeat = 60;	/* (secs) Default is 1 minute */
 static unsigned long wdt_status;
 static unsigned long boot_status;
-static spin_lock_t wdt_lock;
+static DEFINE_SPINLOCK(wdt_lock);
 
 #define WDT_TICK_RATE (IXP4XX_PERIPHERAL_BUS_CLOCK * 1000000UL)
 
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 3da2b90..22715e3 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -157,8 +157,6 @@
 	writel(wdt_count, wdt_base + S3C2410_WTCNT);
 	writel(wtcon, wdt_base + S3C2410_WTCON);
 	spin_unlock(&wdt_lock);
-
-	return 0;
 }
 
 static int s3c2410wdt_set_heartbeat(int timeout)
diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c
index c8d7f1b..db362c3 100644
--- a/drivers/watchdog/wdt285.c
+++ b/drivers/watchdog/wdt285.c
@@ -208,7 +208,7 @@
 								soft_margin);
 
 	if (machine_is_cats())
-		printk(KERN_WARN
+		printk(KERN_WARNING
 		  "Warning: Watchdog reset may not work on this machine.\n");
 	return 0;
 }